Combination-lock



(No Model.)

E. P. PRICE. COMBINATION LOCK.

Patented June 30*, 18 96.

AN DREW BGRAHAM. PHOTOUTHOVWASHINGI'ON. D C

UNITED STATES PATENT OFFICE.

EDIVIN F. PRICE, OF \VASHINGTON COURT-HOUSE, OHIO.

COMBINATION-LOCK.

SPECIFICATION formingpart of Letters Patent No. 563,061, dated June 30,1896.

Application filed January 27, 1896. Serial No. 577,042. (No model.)

To all whom it may concern:

Be it known that I, EDWIN F. PRICE, residing at \Vashington Court-House,in the county of Fayette and State of Ohio, have invented certain newand useful Improvements in Combin ation-Locks, of which the following isa specification.

My invention relates to improvements in combination-locks for show-casesand similar articles.

The features of my invention are more fully set forth in the descriptionof the accompanying drawings, forming a part of this specification, inwhich- Figure 1 is an inside planview of the lock. Fig. 2 is a sectionon line 00 :0, Fig. 1. Fig. 3 is a section on lineyy, Fig. 1. Figs. 4and5 are perspective views of the tumblers. Fig. 6 represents amodification of the connecting crank mechanism shown in Fig. 1.

1 2 3 4 5 represent the lock-tumblers journaled upon a rod a, which issupported in ears or lugs A, projecting from the frame-piece A.

13 represents a yoke-piece pivoted at Z) to the cars A.

0 represents a cross-bar secured at opposite ends to the yoke B andlocated above the tumblers, so that the yoke B can only drop or bedepressed to retract the bolt when the tumblers have been brought to theproper position. v

D represents a spring-actuated bell-crank lever hinged at one end tocross-bar O by means of a link 0 and carrying at the opposite end thebolt or latch d.

The tumblers each consist of a hub from which project counterpart dogs EF, and also an actuating lever or key G. When set in the lock, theactuating-levers pass through openings 9 in the frame-piece, and therebylimit the rotary movement of the tumblers upon the rod 0. Theactuating-levers also act as a weight-arm to hold the tumblers normallyin the position shown in Fig. 2, from which position they may be movedby pressing the actuating-levers with the fingers, as shown in Fig. 3.

In the modification shown in Fig. 6 the cross-bar C is provided with alug 13, pierced with a slot in which the crank-pin 14: of crank Dengages so as to rock said crank when the cross-bar C gravitates withthe yoke B, to which it is attached.

15 represents a crank-pin at the upper arm of crank D, engaging with arod 12, which is adapted to operate the hasp or catch for looking eitherone or more drawers as the occasion may require.

Mode of operation: The tumblers normally rest in the position shown inFigs. 1 and 2, 6o tumblers 1, 2, and 4 being passive tumblers andresting normally out of the path of the cross-bar C, while tumblers 3and 5 are active tumblers, resting normally in the path of the cross-barand requiring to be moved out of the path of the cross-bar by thefingers of the operator, after which the yoke-frame can gravitate to theposition shown in Fig. 3 to release the bolt.

Should an inexperienced operator press the actuating-levers of thepassive tumblers or any one of them, they would be brought into positionto dog the cross-bar C and prevent the opening of the case.

The tumblers are either active or passive, according to the position inwhich they are placed upon the rod a. Thus a tumbler placed upon the rodin the position Fig. 4 would be an active tumbler, but if reversed tothe position shown in Fig. 5 would become a passive tumbler. The rod tocan be readily removed and the several tumblers adjusted when desired tochange the combination.

It will be seen that by lifting the lever or levers G of the activetumbler or tumblers, 8 5 through which the cross-bar O is normallysupported, the said cross-bar will gravitate with the pivoted yokeB,thereby rocking the cranklever D so as to retract the latch or bolt.

Having described my invention, what I 0 claim is 1. In a lock, thecombination with a bellcrank lever, of a pivotally-supported yoke havinga cross-bar loosely connected with one arm of said bell-crank, and aseries of tnm- 5 blers each provided with an actuating-lever and twodogs, one of said dogs being held, by gravity, normally in engagement ornormally out of engagement with said cross-bar, depending upon theposition or arrangement of the tumblers, substantially as described.

2. In a lock, the combination with a bolt or latch, and an actuatingbell-crank lever, of a pivotally-supported yoke comprising a cross-barin loose engagement with one arm of said bell-crank, and a series oftumblers each provided with an actuating-lever and two dogs,interchangeably mounted, and one of said dogs in each tumbler beingheld, by gravity, normally in engagement or normally out of engagementwith said cross-bar, according to the position in which the saidtumblers are arranged and Whereby,on actuation of the proper tumbler ortumblers, the yoke and cross-bar will be released and the bolt or latchretracted, substantially as described.

3. In a lock, the combination With a springpressed bell-crank lever, anda latch or bolt actuated by said lever, of a pivotally-supported yokecomprising a cross-bar in loose engagement with one arm of saidbell-crank, and a series of interchangeably-arranged tumblers eachprovided with an actuatinglever and two dogs, one of said dogs in eachtumbler being adapted to lock with, or be disengaged from, the cross-barof the yoke according to the position of the tumbler or the movementimparted thereto, substantially as described.

In testimony whereof I have hereunto set my hand.

JOHN LOGAN, P. E. DEMPSEY.

